From two different worlds and with separate missions, an astronaut and a space tourist entangle in space — only to start falling for each other.
Lee Min-ho
Gong Ryong
Gong Hyo-jin
Eve Kim
Oh Jung-se
Kang Kang-su
Han Ji-eun
Choi Go-eun
Kim Ju-hun
Park Dong-ah
Lee El
Kang Tae-hee
Lee Cho-hee
Mina Lee / Dona Lee
Heo Nam-jun
Lee Seung-jun
Alex Hafner
Santiago Gonzalez Garcia
Kim Eung-soo
Choi Jae-ryong
Baek Eun-hae
Na Min-jung
Jeon Soo-kyeong
Jang Mi-hwa
